<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form class="reg" :model="formData" :rules="formRules" ref="formRef">
        <el-form-item prop="username">
          <el-input
            v-model="formData.username"
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="formData.password"
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            v-model="formData.repassword"
            prefix-icon="el-icon-lock"
            placeholder="请确认密码"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button
            type="success"
            class="btn-reg"
            style="width: 100%"
            @click="submitForm"
            >注册</el-button
          >
          <el-link type="info">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Reg",
  data() {
    // 自定义校验规则函数 校验密码是否相同
    //callback()

    var samePwd = (rule, value, callback) => {
      console.log(value, "value");
      if (value === "") {
        callback(new Error("请再次输入密码"));
      } else if (value !== this.formData.password) {
        callback(new Error("俩次输入密码不一致!"));
      } else {
        callback(); //放行
      }
    };
    return {
      //收集表单数据的对象
      formData: {
        username: "",
        password: "",
        repassword: "",
      },
      //表单的验证
      formRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: "用户名必须是1-10的字母数字",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "密码必须是6-15的非空字符",
            trigger: "blur",
          },
        ],
        repassword: [
          {
            pattern: /^\S{6,15}$/,
            message: "密码必须是6-15的非空字符",
            trigger: "blur",
          },
          //校验确认密码
          { validator: samePwd, trigger: "blur" }, //validator 调用自定义校验规则函数
        ],
      },
    };
  },
  methods: {
    submitForm() {
      // this.$refs.formRef 获取 form组件,使用form组件调用validdate(函数)
      this.$refs.formRef.validate(async (valid) => {
        // valid: 返回值 true || false
        // 所有的校验通过了,返回才是true,那么只要有一项校验失败,返回的是false
        if (!valid) return //校验失败
          //校验通过 发送请求
          const { data: res } =  await this.$http.post("/api/reg", this.formData);
          console.log("res", res);
          // 判断是否校验通过
          if (res.code !== 0) return this.$message.error(res.message)
            //注册成功
           this.$message.success(res.message)
            //跳转页面到登录页  this.$router 编程式导航
            this.$router.push("/login");
          } 
      );
    },
  },
};
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .reg {
      padding: 0 25px;
    }
    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>
